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Wyszukujesz frazę "Epoxy composites" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Effect of water absorption on the mechanical properties of flax fiber reinforced epoxy composites
Autorzy:
Huner, U
Powiązania:
https://bibliotekanauki.pl/articles/101996.pdf
Data publikacji:
2015
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
natural fiber
mechanical properties
epoxy composites
Opis:
Flax fiber reinforced epoxy composites were subjected to water immersion tests in order to study the effects of water absorption on the mechanical properties. Epoxy composites specimens containing 0, 1, 5 and 10% fiber weight were prepared. Water absorption tests were conducted by immersing specimens in a deionized water bath at 25 °C and 90 °C for different time durations. The tensile and flexural properties of water immersed specimens subjected to both aging conditions were evaluated and compared alongside dry composite specimens. The percentage of moisture uptake increased as the fiber volume fraction increased due to the high cellulose content. The tensile and flexural properties of reinforced epoxy specimens were found to decrease with increase in percentage moisture uptake. Moisture induced degradation of composite samples was significant at elevated temperature.
Źródło:
Advances in Science and Technology. Research Journal; 2015, 9, 26; 1-6
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigation of the Effect of Young’s Modulus on the Contact Strength of Metal Polymer Plain Bearings
Autorzy:
Chernets, Myron
Pashechko, Mykhaylo
Kornienko, Anatolii
Borc, Jarosław
Zakhariia, Roman
Powiązania:
https://bibliotekanauki.pl/articles/2181749.pdf
Data publikacji:
2022
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
metal-polymer plain bearings
epoxy composites
Moglice
DK6 (PT)
polyamide composites
PA6+30%GF
PA6+30%CF
calculation method
Young modulus
Young module
maximum contact pressures
Opis:
Using the author's method of research of hybrid (metal-polymer) plain bearings the calculation of their load carrying capacity (contact pressures) is carried out. Studies have been conducted for metal-polymer bearings with a bushing of two types of polymer composites: epoxy based antifriction composite materials DIAMANT Moglice (DIAMANT Metallplastic GmbH) and DK6 (PT) (fillers - graphite, MoS2, Zr). The elastic constants of composite materials, in particular the Young's modulus, have a noticeable effect on the contact pressures in metal-polymer bearings. The Young's modulus is significantly different in these composite materials. In accordance with this factor, the influence of load, bushing diameter and radial clearance on the maximum contact pressures was studied. Quantitative and qualitative regularities of maximum contact pressures from the accepted factors of influence: Young's modulus, loading, bushing diameter, radial clearance, type of bushing material are established. The obtained results are compared with the results obtained by known conventional calculating methods of contact pressures.
Źródło:
Advances in Science and Technology. Research Journal; 2022, 16, 2; 67--73
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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